1536796802

Appears in sequences

• Companion Pell numbers: a(n) = 2*a(n-1) + a(n-2), a(0) = a(1) = 2.at n=24A002203
• a(n) = 6*a(n-1) - a(n-2), with a(0) = 2, a(1) = 6.at n=12A003499
• Numerators of continued fraction convergents to sqrt(512).at n=17A041978
• a(n) = 14*a(n-1) + a(n-2), starting with a(0) = 2 and a(1) = 14.at n=8A090300
• Expansion of (1+x^2)/(1-2*x-x^2).at n=24A099425
• A nonsense sequence.at n=23A122577
• Expansion of (1+6*x+x^2-2*x^3)/((x^2+2*x-1)*(x^2-2*x-1)), bisection is NSW numbers.at n=23A159582
• a(1)=4, a(2)=6; for n > 2, a(n) = 2*a(n-1) + a(n-2) - 4*((n-1) mod 2).at n=23A162485
• Numbers such that floor(a(n)^2 / 8) is again a square.at n=26A204514